Hate surprises or love them? Our brains handle surprises and attraction and aversion (valence in techno speak) in different ways. The amygdala processes emotional responses and a new study indicates that two distinctly differing sets of neurons within it respond to either reward or aversion. And not only that, but that the expectation of reward or aversion also triggers these networks of neurons. The speculation is that the intensity of reward and aversion effect is intensified by surprise and that neural circuitry is required to process both surprise and the degree of attraction or aversion that an individual feels towards specific events.
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